Animation Nodes Crashing and not loading properly again
I have seen your question and this is totally a bug that happened while rendering. This is probably not supposed to happen. Try closing blender and restarting your computer. If you are still facing this issue, try recreating the setup. I know it's hard to set it up again, but It is possible. I had to try 7 times just to simulate fire using materials and animating it, but the end result was great. So don't give up and do what I have said. If it doesn't work, try at least 10 times. If it still doesn't work, I think you are using a version of blender that can't support this kind of stuff. (Which is highly unlikely). And a tip for using this sight, don't put stuff or questions regarding the answer as an answer. You can comment on he question instead.
Cheerios,
Aster17